i bet her blood pressure would be on the low side. >> can we stay off blood pressure? >> looking at places where people live a long time, the story resonates. social structure around them, family with them here today and ability to make peace with what's going on in your life and then physical activity. and sex does count. >> i'm 48 and since i've gotten to my late 40s i have sleep problems. i wake up every night at 3:00 or 4:00 in the morning. i can't get back to sleep. >> i have a 1-year-old daughter who wakes up at 3:00 in the morning. for people who have broken sleep, how important is sleep? how many hours should you get? and if you can't get enough, what do you do about it? >> the number one underappreciated health problem in america is sleep issues. it drives over eating, high blood pressure. >> i can blame my 1-year-old daughter? >> assess, blame, condemn, that's what it comes down to. sleep issues, you mentioned you're awake in the middle of the night. anxiety can cause it, as we get older we need to go to the bathroom in the middle of the night. the mistake pe